31423738973474 has 8 divisors (see below), whose sum is σ = 47163850291740. Its totient is φ = 15702455542896.

The previous prime is 31423738973441. The next prime is 31423738973491. The reversal of 31423738973474 is 47437983732413.

It can be written as a sum of positive squares in 2 ways, for example, as 31402406326225 + 21332647249 = 5603785^2 + 146057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31423738973474.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4706967749 + ... + 4706974424.

Almost surely, 2^{31423738973474} is an apocalyptic number.

31423738973474 is a deficient number, since it is larger than the sum of its proper divisors (15740111318266).

31423738973474 is a wasteful number, since it uses less digits than its factorization.

31423738973474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9413943844.

The product of its digits is 256048128, while the sum is 65.

The spelling of 31423738973474 in words is "thirty-one trillion, four hundred twenty-three billion, seven hundred thirty-eight million, nine hundred seventy-three thousand, four hundred seventy-four".